geminal


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geminal

(ˈdʒɛmɪnəl)
adj
1. of, relating to or having a pair (of elements)
2. (Chemistry) chem (of an atom) having two functioning groups
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8,921,299 B2; The Procter & Gamble Company has patented a detergent composition comprising tiron (1,2-dihydroxybenzene-3,5-disulfonic acid, or mono- or di-sulfonate salts of the acid); a ligand capable of chelating to Fe3+, wherein the ligand has a binding constant for Fe3+ that is greater than 1018 M-1, and wherein the ligand is selected from the group consisting of aminocarboxylates containing at least two N atoms, amino-phosphonates containing at least two N atoms, and geminal bisphosphonates; an iron-displacing species selected from the group consisting of phenyl boronic acid, A13+' and mixtures thereof; and at least about 0.
GEMINAL DIFLUORINATION OF THE PYRAZOLE RING OF 3,5-DIPHENYL-PYRAZOLE USING AN N-F REAGENT"*, Allyson L.
As silica contains a large number of silanol groups on its surface in the form of vicinal, geminal, and isolated, it can be considered a very polar filler.
4]) ppm, which are usually assigned to geminal silanol groups, free silanol groups, and siloxane bonds without hydroxyl groups, respectively (28), (29).
One likely explanation is that the NR impurities block reactive silanol groups of the silica (isolated and geminal ones) via hydrogen bonding and hinder a coupling of the silane.
Other articles cover natural orbital functional theory, geminal functional theory, linear inequalities for diagonal elements of density matrices, parameterization of the 2-RDM and entanglement, electron correlation and density matrices.
Schiff bases and geminal diamines derived from pyridoxal 5'-phosphate and diamines.
The observed regiochemistries are a result of several factors including hydrogen bonding of the solvent with the proposed perepoxide intermediates, the cis effect, the geminal effect, and formation of the thermodynamically favored conjugated product.
Szalewicz, Helium dimer potential from symmetry-adapted perturbation theory calculations using large Gaussian geminal and orbital basis sets, J.
Much class switching and some somatic mutation occur in geminal centers of lymphoid organs under the influence of various cytokines (5).
63 (1H, br s, H-27b)], and two protons geminal to an oxygen atom [[[delta].